Innovative Marine Gourmet Gadget Collection - Grazer, Grinder & Defroster Kit Kit Includes All 3 Gadgets, Gourmet Grazer, Gourmet Grinder & Gourmet Defroster Defroster - fast, effective and simple way of feeding your fish frozen food. Grazer - Magnetically mounted snaplock seaweed feeder. Grinder - Thumb operated pellet and flake food grinding system that dispenses food effortlessly with a simple pump and grind.